Description:
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    $array = array( "field1" => 0, "field2" => "This is a string" );

$result = array_search( "This is a string", $array );

print_r( $result ); // Outputs "field1", not "field2"






Expected result:
----------------
    $array = array( "field1" => 0, "field2" => "This is a string" );

$result = array_search( "This is a string", $array );

print_r( $result ); // Outputs "field2"